A. I think its an operational plan.
It is a good idea because it helps to detect if there is too much carbon monoxide in the house. If there is too much, it can be poisonous and the detector will let you know. this answer would be TO AVOID POISONING BY A BUILDUP OF CO GAS.
btw, is this platoweb? just curious.
A and D. You shouldn't drink or smoke
Anything in the mouth, really. Gingivitis, for example. By brushing your teeth regularly (in the mornings, after lunch, dinner, at night etc.) you can prevent this i.e Good Hygiene. A common prescription medication would be <span>Erythromycin or Penicillin.
Hope this helps!</span>
Answer:
A. Neat
Explanation:
In the sentence, neat is used as an opinion based idea. To the narrator, the projects are neat but the reader may disagree from this statement therefore concluding that the word neat is opinion based.